X-Git-Url: https://git.sesse.net/?p=remoteglot;a=blobdiff_plain;f=remoteglot.pl;h=0522e52888fca392a6f0936d337d76719c79e417;hp=c65c7e8a29fdafa8106a6e8610a3126be39c34f2;hb=731dad8cbe2455aefe534bddce20fca85abd3d2e;hpb=b6a17e8068a802500c745d0501e3ebd58ab33929

diff --git a/remoteglot.pl b/remoteglot.pl
index c65c7e8..0522e52 100755
--- a/remoteglot.pl
+++ b/remoteglot.pl
@@ -13,6 +13,7 @@ use Net::Telnet;
 use FileHandle;
 use IPC::Open2;
 use Time::HiRes;
+use JSON::XS;
 use strict;
 use warnings;
 
@@ -24,8 +25,7 @@ my $engine2_cmdline = "./stockfish_13111119_x64_modern_sse42";
 my $telltarget = undef;   # undef to be silent
 my @tell_intervals = (5, 20, 60, 120, 240, 480, 960);  # after each move
 my $uci_assume_full_compliance = 0;                    # dangerous :-)
-my $update_max_interval = 2.0;
-my $second_engine_start_depth = 8;
+my $update_max_interval = 1.0;
 my @masters = (
 	'Sesse',
 	'Sessse',
@@ -35,7 +35,7 @@ my @masters = (
 );
 
 # Program starts here
-$SIG{ALRM} = sub { output_screen(); };
+$SIG{ALRM} = sub { output(); };
 my $latest_update = undef;
 
 $| = 1;
@@ -59,8 +59,7 @@ my $engine2 = open_engine($engine2_cmdline, 'E2');
 my ($last_move, $last_tell);
 my $last_text = '';
 my $last_told_text = '';
-my ($pos_waiting, $pos_calculating, $move_calculating_second_engine);
-my %refutation_moves = ();
+my ($pos_waiting, $pos_calculating, $pos_calculating_second_engine);
 
 uciprint($engine, "setoption name UCI_AnalyseMode value true");
 # uciprint($engine, "setoption name NalimovPath value /srv/tablebase");
@@ -74,7 +73,7 @@ uciprint($engine2, "setoption name UCI_AnalyseMode value true");
 uciprint($engine2, "setoption name NalimovUsage value Rarely");
 uciprint($engine2, "setoption name Hash value 1024");
 uciprint($engine2, "setoption name Threads value 8");
-# uciprint($engine2, "setoption name MultiPV value 2");
+uciprint($engine2, "setoption name MultiPV value 500");
 uciprint($engine2, "ucinewgame");
 
 print "Chess engine ready.\n";
@@ -144,12 +143,12 @@ while (1) {
 				$pos_calculating = $pos;
 			}
 
-			%refutation_moves = calculate_refutation_moves($pos);
-			if (defined($move_calculating_second_engine)) {
+			if (defined($pos_calculating_second_engine)) {
 				uciprint($engine2, "stop");
-				$move_calculating_second_engine = undef;
 			} else {
-				give_new_move_to_second_engine($pos);
+				uciprint($engine2, "position fen " . $pos->{'fen'});
+				uciprint($engine2, "go infinite");
+				$pos_calculating_second_engine = $pos;
 			}
 
 			$engine->{'info'} = {};
@@ -193,7 +192,7 @@ while (1) {
 		}
 		$sleep = 0;
 
-		output_screen();
+		output();
 	}
 	if ($nfound > 0 && vec($rout, fileno($engine2->{'read'}), 1) == 1) {
 		my @lines = read_lines($engine2);
@@ -203,7 +202,7 @@ while (1) {
 		}
 		$sleep = 0;
 
-		output_screen();
+		output();
 	}
 
 	sleep $sleep;
@@ -239,14 +238,11 @@ sub handle_uci {
 				$pos_waiting = undef;
 			}
 		} else {
-			if (defined($move_calculating_second_engine)) {	
-				my $move = $refutation_moves{$move_calculating_second_engine};
-				$move->{'pv'} = $engine->{'info'}{'pv'} // $engine->{'info'}{'pv1'};
-				$move->{'score_cp'} = $engine->{'info'}{'score_cp'} // $engine->{'info'}{'score_cp1'} // 0;
-				$move->{'score_mate'} = $engine->{'info'}{'score_mate'} // $engine->{'info'}{'score_mate1'};
-				$move->{'toplay'} = $pos_calculating->{'toplay'};
-			}
-			give_new_move_to_second_engine($pos_waiting // $pos_calculating);
+			$engine2->{'info'} = {};
+			my $pos = $pos_waiting // $pos_calculating;
+			uciprint($engine2, "position fen " . $pos->{'fen'});
+			uciprint($engine2, "go infinite");
+			$pos_calculating_second_engine = $pos;
 		}
 	}
 }
@@ -257,10 +253,19 @@ sub parse_infos {
 
 	my $info = $engine->{'info'};
 
+	# Search for "multipv" first of all, since e.g. Stockfish doesn't put it first.
+	for my $i (0..$#x - 1) {
+		if ($x[$i] =~ 'multipv') {
+			$mpv = $x[$i + 1];
+			next;
+		}
+	}
+
 	while (scalar @x > 0) {
 		if ($x[0] =~ 'multipv') {
+			# Dealt with above
+			shift @x;
 			shift @x;
-			$mpv = shift @x;
 			next;
 		}
 		if ($x[0] =~ /^(currmove|currmovenumber|cpuload)$/) {
@@ -339,6 +344,11 @@ sub style12_to_pos {
 	$pos{'black_castle_q'} = $x[14];
 	$pos{'time_to_100move_rule'} = $x[15];
 	$pos{'move_num'} = $x[26];
+	if ($x[27] =~ /([a-h][1-8])-([a-h][1-8])/) {
+		$pos{'last_move_uci'} = $1 . $2;
+	} else {
+		$pos{'last_move_uci'} = undef;
+	}
 	$pos{'last_move'} = $x[29];
 	$pos{'fen'} = make_fen(\%pos);
 
@@ -619,7 +629,7 @@ sub prettyprint_pv {
 	return ($pretty, prettyprint_pv($nb, @pvs));
 }
 
-sub output_screen {
+sub output {
 	#return;
 
 	return if (!defined($pos_calculating));
@@ -630,11 +640,22 @@ sub output_screen {
 		Time::HiRes::alarm($update_max_interval + 0.01 - $age);
 		return;
 	}
-	$latest_update = [Time::HiRes::gettimeofday];
-
+	
 	my $info = $engine->{'info'};
-	my $id = $engine->{'id'};
-
+	
+	#
+	# Some programs _always_ report MultiPV, even with only one PV.
+	# In this case, we simply use that data as if MultiPV was never
+	# specified.
+	#
+	if (exists($info->{'pv1'}) && !exists($info->{'pv2'})) {
+		for my $key (qw(pv score_cp score_mate nodes nps depth seldepth tbhits)) {
+			if (exists($info->{$key . '1'})) {
+				$info->{$key} = $info->{$key . '1'};
+			}
+		}
+	}
+	
 	#
 	# Check the PVs first. if they're invalid, just wait, as our data
 	# is most likely out of sync. This isn't a very good solution, as
@@ -657,6 +678,15 @@ sub output_screen {
 		return;
 	}
 
+	output_screen();
+	output_json();
+	$latest_update = [Time::HiRes::gettimeofday];
+}
+
+sub output_screen {
+	my $info = $engine->{'info'};
+	my $id = $engine->{'id'};
+
 	my $text = 'Analysis';
 	if ($pos_calculating->{'last_move'} ne 'none') {
 		if ($pos_calculating->{'toplay'} eq 'W') {
@@ -677,19 +707,6 @@ sub output_screen {
 
 	return unless (exists($pos_calculating->{'board'}));
 		
-	#
-	# Some programs _always_ report MultiPV, even with only one PV.
-	# In this case, we simply use that data as if MultiPV was never
-	# specified.
-	#
-	if (exists($info->{'pv1'}) && !exists($info->{'pv2'})) {
-		for my $key (qw(pv score_cp score_mate nodes nps depth seldepth tbhits)) {
-			if (exists($info->{$key . '1'})) {
-				$info->{$key} = $info->{$key . '1'};
-			}
-		}
-	}
-
 	if (exists($info->{'pv1'}) && exists($info->{'pv2'})) {
 		# multi-PV
 		my $mpv = 1;
@@ -728,6 +745,9 @@ sub output_screen {
 			$text .= sprintf "  %u nodes, %7u nodes/sec, depth %u ply",
 				$info->{'nodes'}, $info->{'nps'}, $info->{'depth'};
 		}
+		if (exists($info->{'seldepth'})) {
+			$text .= sprintf " (%u selective)", $info->{'seldepth'};
+		}
 		if (exists($info->{'tbhits'}) && $info->{'tbhits'} > 0) {
 			if ($info->{'tbhits'} == 1) {
 				$text .= ", one Nalimov hit";
@@ -735,31 +755,29 @@ sub output_screen {
 				$text .= sprintf ", %u Nalimov hits", $info->{'tbhits'};
 			}
 		}
-		if (exists($info->{'seldepth'})) {
-			$text .= sprintf " (%u selective)", $info->{'seldepth'};
-		}
 		$text .= "\n\n";
 	}
 
 	#$text .= book_info($pos_calculating->{'fen'}, $pos_calculating->{'board'}, $pos_calculating->{'toplay'});
 
 	my @refutation_lines = ();
-	for my $move (keys %refutation_moves) {
+	for (my $mpv = 1; $mpv < 500; ++$mpv) {
+		my $info = $engine2->{'info'};
+		last if (!exists($info->{'pv' . $mpv}));
 		eval {
-			my $m = $refutation_moves{$move};
-			die if ($m->{'depth'} < $second_engine_start_depth);
-			my $pretty_move = join('', prettyprint_pv($pos_calculating->{'board'}, $move));
-			my @pretty_pv = prettyprint_pv($pos_calculating->{'board'}, $move, @{$m->{'pv'}});
+			my $pv = $info->{'pv' . $mpv};
+
+			my $pretty_move = join('', prettyprint_pv($pos_calculating_second_engine->{'board'}, $pv->[0]));
+			my @pretty_pv = prettyprint_pv($pos_calculating_second_engine->{'board'}, @$pv);
 			if (scalar @pretty_pv > 5) {
 				@pretty_pv = @pretty_pv[0..4];
 				push @pretty_pv, "...";
 			}
-			#my $key = score_sort_key($refutation_moves{$move}, $pos_calculating, '', 1);
 			my $key = $pretty_move;
 			my $line = sprintf("  %-6s %6s %3s  %s",
 				$pretty_move,
-				short_score($refutation_moves{$move}, $pos_calculating, '', 1),
-				"d" . $m->{'depth'},
+				short_score($info, $pos_calculating_second_engine, $mpv, 0),
+				"d" . $info->{'depth' . $mpv},
 				join(', ', @pretty_pv));
 			push @refutation_lines, [ $key, $line ];
 		};
@@ -838,6 +856,56 @@ sub output_screen {
 	}
 }
 
+sub output_json {
+	my $info = $engine->{'info'};
+
+	my $json = {};
+	$json->{'position'} = $pos_calculating;
+	$json->{'id'} = $engine->{'id'};
+	$json->{'score'} = long_score($info, $pos_calculating, '');
+
+	$json->{'nodes'} = $info->{'nodes'};
+	$json->{'nps'} = $info->{'nps'};
+	$json->{'depth'} = $info->{'depth'};
+	$json->{'tbhits'} = $info->{'tbhits'};
+	$json->{'seldepth'} = $info->{'seldepth'};
+
+	# single-PV only for now
+	$json->{'pv_uci'} = $info->{'pv'};
+	$json->{'pv_pretty'} = [ prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv'}}) ];
+
+	my %refutation_lines = ();
+	my @refutation_lines = ();
+	for (my $mpv = 1; $mpv < 500; ++$mpv) {
+		my $info = $engine2->{'info'};
+		my $pretty_move = "";
+		my @pretty_pv = ();
+		last if (!exists($info->{'pv' . $mpv}));
+
+		eval {
+			my $pv = $info->{'pv' . $mpv};
+			my $pretty_move = join('', prettyprint_pv($pos_calculating->{'board'}, $pv->[0]));
+			my @pretty_pv = prettyprint_pv($pos_calculating->{'board'}, @$pv);
+			$refutation_lines{$pv->[0]} = {
+				sort_key => $pretty_move,
+				depth => $info->{'depth' . $mpv},
+				score_sort_key => score_sort_key($info, $pos_calculating, $mpv, 0),
+				pretty_score => short_score($info, $pos_calculating, $mpv, 0),
+				pretty_move => $pretty_move,
+				pv_pretty => \@pretty_pv,
+			};
+			$refutation_lines{$pv->[0]}->{'pv_uci'} = $pv;
+		};
+	}
+	$json->{'refutation_lines'} = \%refutation_lines;
+
+	open my $fh, ">analysis.json.tmp"
+		or return;
+	print $fh JSON::XS::encode_json($json);
+	close $fh;
+	rename("analysis.json.tmp", "analysis.json");	
+}
+
 sub find_kings {
 	my $board = shift;
 	my ($wkr, $wkc, $bkr, $bkc);
@@ -1051,9 +1119,9 @@ sub short_score {
 
 	if (defined($info->{'score_mate' . $mpv})) {
 		if ($invert) {
-			return sprintf "M%3d", $info->{'score_mate' . $mpv};
-		} else {
 			return sprintf "M%3d", -$info->{'score_mate' . $mpv};
+		} else {
+			return sprintf "M%3d", $info->{'score_mate' . $mpv};
 		}
 	} else {
 		if (exists($info->{'score_cp' . $mpv})) {
@@ -1074,23 +1142,15 @@ sub short_score {
 sub score_sort_key {
 	my ($info, $pos, $mpv, $invert) = @_;
 
-	$invert //= 0;
-	if ($pos->{'toplay'} eq 'B') {
-		$invert = !$invert;
-	}
-
 	if (defined($info->{'score_mate' . $mpv})) {
 		if ($invert) {
-			return -(99999 - $info->{'score_mate' . $mpv});
-		} else {
 			return 99999 - $info->{'score_mate' . $mpv};
+		} else {
+			return -(99999 - $info->{'score_mate' . $mpv});
 		}
 	} else {
 		if (exists($info->{'score_cp' . $mpv})) {
 			my $score = $info->{'score_cp' . $mpv};
-			if ($score == 0) {
-				return " 0.00";
-			}
 			if ($invert) {
 				$score = -$score;
 			}
@@ -1117,6 +1177,9 @@ sub long_score {
 	} else {
 		if (exists($info->{'score_cp' . $mpv})) {
 			my $score = $info->{'score_cp' . $mpv} * 0.01;
+			if ($score == 0) {
+				return "Score:  0.00";
+			}
 			if ($pos->{'toplay'} eq 'B') {
 				$score = -$score;
 			}
@@ -1237,74 +1300,6 @@ sub read_lines {
 	return @lines;
 }
 
-# Find all possible legal moves.
-sub calculate_refutation_moves {
-	my $pos = shift;
-	my $board = $pos->{'board'};
-	my %refutation_moves = ();
-	for my $col (0..7) {
-		for my $row (0..7) {
-			my $piece = substr($board->[$row], $col, 1);
-
-			# Check that there's a piece of the right color on this square.
-			next if ($piece eq '-');
-			if ($pos->{'toplay'} eq 'W') {
-				next if ($piece ne uc($piece));
-			} else {
-				next if ($piece ne lc($piece));
-			}
-
-			for my $to_col (0..7) {
-				for my $to_row (0..7) {
-					next if ($col == $to_col && $row == $to_row);
-					next unless (can_reach($board, $piece, $row, $col, $to_row, $to_col));
-
-					my $promo = "";  # FIXME
-					my $nb = make_move($board, $row, $col, $to_row, $to_col, $promo);
-					my $check = in_check($nb);
-					next if ($check eq 'both');
-					if ($pos->{'toplay'} eq 'W') {
-						next if ($check eq 'white');
-					} else {
-						next if ($check eq 'black');
-					}
-					my $move = move_to_uci_notation($row, $col, $to_row, $to_col, $promo);
-					$refutation_moves{$move} = { depth => $second_engine_start_depth - 1, score_cp => 0, pv => '' };
-				}
-			}
-		}
-	}
-	return %refutation_moves;
-}
-
-sub give_new_move_to_second_engine {
-	my $pos = shift;
-				
-	# Find the move that's been analyzed the shortest but is most promising.
-	# Tie-break on UCI move representation.
-	my $best_move = undef;
-	for my $move (sort keys %refutation_moves) {
-		if (!defined($best_move)) {
-			$best_move = $move;
-			next;
-		}
-		my $best = $refutation_moves{$best_move};
-		my $this = $refutation_moves{$move};
-
-		if ($this->{'depth'} < $best->{'depth'} ||
-		    ($this->{'depth'} == $best->{'depth'} && $this->{'score_cp'} < $best->{'score_cp'})) {
-			$best_move = $move;
-			next;
-		}
-	}
-
-	my $m = $refutation_moves{$best_move};
-	++$m->{'depth'};
-	uciprint($engine2, "position fen " . $pos->{'fen'} . " moves " . $best_move);
-	uciprint($engine2, "go depth " . $m->{'depth'});
-	$move_calculating_second_engine = $best_move;
-}
-
 sub col_letter_to_num {
 	return ord(shift) - ord('a');
 }